255520202 has 24 divisors (see below), whose sum is σ = 465245856. Its totient is φ = 104746488.

The previous prime is 255520201. The next prime is 255520211. The reversal of 255520202 is 202025552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (255520201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54428 + ... + 58935.

It is an arithmetic number, because the mean of its divisors is an integer number (19385244).

Almost surely, 2^255520202 is an apocalyptic number.

255520202 is a deficient number, since it is larger than the sum of its proper divisors (209725654).

255520202 is a wasteful number, since it uses less digits than its factorization.

255520202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113402 (or 113395 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 255520202 is about 15984.9992805755. Note that the first 3 decimals coincide. The cubic root of 255520202 is about 634.5634894510.

Adding to 255520202 its sum of digits (23), we get a square (255520225 = 15985²).

Adding to 255520202 its reverse (202025552), we get a palindrome (457545754).

The spelling of 255520202 in words is "two hundred fifty-five million, five hundred twenty thousand, two hundred two".